<template>
  <a-layout-header class="header">
    <a-row>
      <a-col :span="20"><div class="logo"/>

        <a-menu
            theme="dark"
            mode="horizontal"
            v-model:selectedKeys="selectedKeys1"
            :style="{ lineHeight: '64px' }"
        >
          <a-menu-item key="/">
            <router-link to="/">首页</router-link>
          </a-menu-item>
          <a-menu-item key="/admin/ebook">
            <router-link to="/admin/ebook">电子书管理</router-link>
          </a-menu-item>
          <a-menu-item key="/admin/user">
            <router-link to="/admin/user">用户管理</router-link>
          </a-menu-item>
          <a-menu-item key="/admin/category">
            <router-link to="/admin/category">分类管理</router-link>
          </a-menu-item>
          <a-menu-item key="/about">
            <router-link to="/about">关于我们</router-link>
          </a-menu-item>

        </a-menu>
      </a-col>

      <a-col :span="2">
        <a class="login-menu" v-show="user.name">
          <span>你好：{{user.name}}</span>
        </a>
      </a-col>

      <a-col :span="2" v-show="user.name">
        <a-popconfirm
            title="确认退出登录？"
            ok-text="是"
            cancel-text="否"
            @confirm="logout()"
        >
          <a class="login-menu">
            <span>退出登录</span>
          </a>
        </a-popconfirm>
      </a-col>

      <a-col :span="2" v-show="!user.name">
        <a class="login-menu" @click="showLoginModal">
          <span>登录</span>
        </a>
      </a-col>

    </a-row>


    <a-modal
        title="登录"
        v-model:visible="loginModalVisible"
        :confirm-loading="loginModalLoading"
        @ok="login"
    >
      <a-form :model="loginUser" :label-col="{span: 6}" :wrapper-col="{span: 18}">
        <a-form-item label="登录名">
          <a-input v-model:value="loginUser.loginName"/>
        </a-form-item>
        <a-form-item label="密码">
          <a-input v-model:value="loginUser.password" type="password"/>
        </a-form-item>

      </a-form>
    </a-modal>
  </a-layout-header>
</template>

<script lang="ts">
import {computed, defineComponent, ref} from 'vue';
import axios from "axios";
import {message} from "ant-design-vue";
import store from "@/store";

export default defineComponent({
  name: 'the-header',
  setup() {
    //登录后保存
    const user = computed(() => store.state.user);
    //用来登录
    const loginUser = ref({
      loginName: "",
      password: ""
    });

    const loginModalVisible = ref(false);
    const loginModalLoading = ref(false);

    const showLoginModal = () => {
      loginModalVisible.value = true;
    };

    //  登录
    const login = () => {
      console.log("开始登录");
      loginModalLoading.value = true;
      axios.post('/user/login', loginUser.value).then((response) => {
        loginModalLoading.value = false;
        const data = response.data;
        if (data.success) {
          loginModalVisible.value = false;
          message.success("登录成功");
          store.commit("setUser",data.content);
        } else {
          message.error(data.message);
        }
      })
    };

    //退出登录
    const logout = () =>{
      axios.get('/user/logout/'+user.value.token).then((response)=>{
        const data = response.data;
        if(data.success){
          message.success("退出登录成功");
          store.commit("setUser",{});
        }else{
          message.error("退出登录失败");
        }
      })
    }

    return {
      loginModalVisible,
      loginModalLoading,
      showLoginModal,
      loginUser,
      login,
      user,
      logout
    }
  }
});
</script>

<style>
.logo {
  float: left;
  width: 120px;
  height: 31px;
  margin: 16px 24px 16px 0;
  background: rgba(255, 255, 255, 0.3);
}

.login-menu {
  float: right !important;
  color: white;
}
</style>